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From: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
To: <linux-kernel@vger.kernel.org>
Cc: <bhelgaas@google.com>, <rgummal@xilinx.com>,
	Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Subject: [PATCH v2 2/4] PCI: Add pci_check_platform_service_irqs
Date: Wed, 14 Nov 2018 20:17:56 +0530	[thread overview]
Message-ID: <1542206878-24587-3-git-send-email-bharat.kumar.gogada@xilinx.com> (raw)
In-Reply-To: <1542206878-24587-1-git-send-email-bharat.kumar.gogada@xilinx.com>

Adding method pci_check_platform_service_irqs to check if platform
has registered method to proivde dedicated IRQ lines for PCIe services
like AER.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
---
 include/linux/pci.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 28e5e06b..4fd54c2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2307,6 +2307,24 @@ static inline bool pci_ari_enabled(struct pci_bus *bus)
 }
 
 /**
+ * pci_check_platform_service_irqs - check platform service irq's
+ * @pdev: PCI Express device to check
+ * @irqs: Array of irqs to populate
+ * @mask: Bitmask of capabilities
+ */
+static inline void pci_check_platform_service_irqs(struct pci_dev *dev,
+						   int *irqs, int mask)
+{
+	struct pci_host_bridge *bridge;
+
+	if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) {
+		bridge = pci_find_host_bridge(dev->bus);
+		if (bridge && bridge->setup_platform_service_irq)
+			bridge->setup_platform_service_irq(bridge, irqs, mask);
+	}
+}
+
+/**
  * pci_is_thunderbolt_attached - whether device is on a Thunderbolt daisy chain
  * @pdev: PCI device to check
  *
-- 
2.7.4


  parent reply	other threads:[~2018-11-14 14:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14 14:47 [PATCH v2 0/4] Add support to register platform service IRQ Bharat Kumar Gogada
2018-11-14 14:47 ` [PATCH v2 1/4] PCI: Add setup_platform_service_irq hook to struct pci_host_bridge Bharat Kumar Gogada
2018-11-14 14:47 ` Bharat Kumar Gogada [this message]
2018-11-14 14:47 ` [PATCH v2 3/4] PCI/portdrv: Check platform supported service IRQ's Bharat Kumar Gogada
2018-11-14 14:47 ` [PATCH v2 4/4] PCI: xilinx-nwl: Add method to setup_platform_service_irq hook Bharat Kumar Gogada
2018-12-06 15:47 ` [PATCH v2 0/4] Add support to register platform service IRQ Bharat Kumar Gogada

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